Readings of Accumulated Dose outside the 20 km Zone of TEPCO Fukushima Dai-ichi NPP (Measured by Glass Badge Dosimeter) (From April 2011 to December 2016) Readings of Accumulated Dose outside the 20 km Zone of TEPCO Fukushima Dai-ichi NPP (Measured by Glass Badge Dosimeter) (From April 2011 to December 2016)